*{
	padding: 0;
	margin: 0;
}
.header{
	width: 970px;
	height: 103px;
	margin: 0 auto;
	background-color: red;
}
.center{
	width: 970px;
	height: 435px;
	margin: 0 auto;
	background-color: yellow;
	margin-top: 10px;
	margin-bottom: 10px;
}
.bottom{
	width: 970px;
	height: 35px;
	margin: 0 auto;
	background-color: blue;
}